among our guests, rob portman will be joining us, maryland congressman chris van hollen, pat tomby, arizona senator john mccain is with us. former treasury secretary larry summers is our guest. obama campaign deputy manager stephanie cutter, former white house press secretary bill burden all joining us this morning. and we're counting down the final hours of a marathon battle for the white house, just too close to call today. this morning after 17 months of campaigning and $3 billion spent, it has come down to this. a brand new cnn/orc vote of likely voters released last night shows that mitt romney and president obama are in a tie, 49% apiece. both candidates are targeting the must-win swing states on this final full day of campaigning. the president accompanied by rocker bruce springsteen holding rallies in madison, wisconsin, columbus, ohio, des moines, iowa. governor romney has been in stanford, florida, lynchberg and fairfax, virginia, columbus, ohio, and manchester, ohio, and it wouldn't be an election without a legal mess in florida. voters reporting lines up to seven hours long at s